From: Patrick McHardy <kaber@trash.net>
To: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
Cc: netfilter-devel@vger.kernel.org, Pablo Neira Ayuso <pablo@netfilter.org>
Subject: Re: [PATCH 1/2] Incorrect handling of invalid TCP option in TCP connection tracking
Date: Tue, 30 Aug 2011 15:45:59 +0200 [thread overview]
Message-ID: <4E5CE997.8080408@trash.net> (raw)
In-Reply-To: <1314711341-28392-2-git-send-email-kadlec@blackhole.kfki.hu>
On 30.08.2011 15:35, Jozsef Kadlecsik wrote:
> Michael M. Builov reported that in the tcp_options and tcp_sack functions
> of netfilter TCP conntrack the incorrect handling of invalid TCP option
> with too big opsize may lead to read access beyond tcp-packet or buffer
> allocated on stack (netfilter bugzilla #738). The fix is to stop parsing
> the options at detecting the broken option.
Applied, thanks Jozsef.
prev parent reply other threads:[~2011-08-30 13:46 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-30 13:35 [PATCH 0/2] TCP conntrack fixes in TCP option handling Jozsef Kadlecsik
2011-08-30 13:35 ` [PATCH 1/2] Incorrect handling of invalid TCP option in TCP connection tracking Jozsef Kadlecsik
2011-08-30 13:35 ` [PATCH 2/2] Wrong multiplication of TCPOLEN_TSTAMP_ALIGNED in tcp_sack skips fastpath Jozsef Kadlecsik
2011-08-30 13:46 ` Patrick McHardy
2011-08-30 13:45 ` Patrick McHardy [this message]
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